Road construction machine



FIG. 1 is a front left perspective view of a road construction machine, showing our design;

FIG. 2 is a rear right perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a top view thereof.

The bottom of the road construction machine is not seen during ordinary use and forms no part of the claimed design.

The broken line showing of parts of the drawings is included for the purpose of illustrating portions of the road construction machine and forms no part of the claimed design. 

The ornamental design for a road construction machine, as shown and described. 